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Taxonomy
Acrophyseter robustus was named by Lambert et al. (2017). Its type specimen is MUSM 1399, a skull, and it is a 3D body fossil. Its type locality is Cerro la Bruja, which is in a Miocene offshore shelf siltstone in the Pisco Formation of Peru.
Synonymy list
Year | Name and author |
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2017 | Acrophyseter robustus Lambert et al. p. 433 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Acrophyseter robustus Lambert et al. 2017
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Diagnosis
Reference | Diagnosis | |
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O. Lambert et al. 2017 | Differs from A. deinodon in: rostrum not as attenuate in dorsal view and lacking abrupt anterior decrease of height of maxilla in lateral view; absence of left anterior and posterior premaxillary foramina; absence of a lateral groove on the right side of the rostrum; proportionally narrower right infraorbital canal, probably dividing into two foramina, one dorsal in the supracranial basin and one anterior; deep sulcus anterior to the main left dorsal infraorbital foramen; dorsal margin of supracranial basin thick and rounded; dorsal margin of coronoid process of mandible smoothly rounded. |